介绍硝酸铵-磷酸-铵—硫酸钾系高浓度烤烟专用复合肥的开发应用。
The paper describes the development and application of a special complex fertilizer containing flue -cured tobacco ammonium nitrate-ammonium phosphate-potassium sulphate.
此外，粘土矿物中硼和钾的含量远高于非盐系地层，因为这些元素在盐盆地中均得到了蒸发浓集。
In addition, the clay minerals contain much more Boron and Potash than in non-evaporite beds, because these elements had ever concentrated in the evaporative basin.
它是中生代硅酸过饱和并富钾质的火山岩系的产物，其意义可与产于新生代碱性玄武岩系中的晶洞钠沸石对比。
It is a product of volcanic rocks of the mesozoic era over-saturated with silica and rich in potash. it can be compared with geode natrolite that producedin alkaline basalt series of the cenozoic era.
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